Stitch-chain-forming machine.



' L; N. D.JWILLIAM S. STITQH CHAIN FORMING MACHINE.

APPLICATION PI LED NOV.14, 1913' Patented Feb. 2, 1915.

I INVENTOR Lows N. o. wsmms WITNESS E5 BY HIS ATTORNEY v -STI'lCIlI-I-(TI-ZIIAIN-FOB-MING} MACHINE.

Specification of Letters latent.

LOUIS N. D. WILLIAMS, OF OGONTZ, PENNSYLVANIA.

Patented Feb. 2, 1915.

ipplicationfiled November 14, 1913. Serial No. 800,948.

To all whom it may concern Be it known that. I, LOUIS N. D. WILLIAMs,

a citizen of the United States, residing in Ogontz, Pennsylvania, have-invented certain Improvements in Stitch-Chain-Forming Machines, of which the following is a specification. p t

My invention consists'of a machine for forming a course of stitches for subsequent application to the points or quills of a'transfer device whereby they may be applied] to the needles of a knittingmachine, the object of my invention being to facilitate the application of the stitches to the points of the transfer ring and to insure the accuracy of such transfer."

. In the accompanying drawing-Figure 1 1 is a view, partly in vertical section and partly in side elevation, of a machine constructed in accordance with my invention; Fig. 2 is aplan or, top view of the same; Fig-,3 is a vertical sectionalview of sulficient-of the machine to illustrate the appli-,

cation thereto of the points of the transfer ring; Fig. 1' is a plan view of part of the.

stitch carrying ring with the stitches there-- I on; Fig. 5 is a side view of one of the cams 1 of the drawing I have forconven'ience d of stitches for application to the needles of I a straight knitting machine.

ln'theidravving, 1 represents a fixed structure suitably mounted upon a table or bench and having a ring 2 in which Is mounted so" as to be free to rotate the hub 30f an annus lar disk 4, from which project upwardly two annularly disposed sets of-pins 5 andfi, one

outside of the other, the pins of one set being separated from those of" the other set to anextent dependent upon the size of the stitch to be produced (see Fig. 2). In Fig.

only illustrated the pairs of pins. v

The periphery of'the disk has formed upon it ratchet teeth 7 with which engages a springpressed pawl 8 pivotally mounted upon a slidingbar9"suitably guided in a bearing 10 on the frame 1 and having 'rediametrically opposite ciprocating movement imparted to it at suit-- able intervals by any appropriate means,

such for instance as a lever 11 pivotally mounted upon a fixed pin 1:2 onl the frame 1 and slotted for engagement with a proecting pin 12 on the bar 9, as shown in F 1g. 1. The lever '11 is, acted upon by a cam 13 on the shaft 14 to which rotary movement in the direction of the arrow the lever and said projection being' main- I as 1* 1g. 1 1S imparted in any desired manner, said cam acting upon a pro ection 15 on tained in contact with the cam'by means of I a spring lli connected at one end to the lever 11 and at the other end to a suitable fixed point of engagement on the frame 1.

Any suitable stitch forming device and yarn guide may cooperate With the pairs of pins 5 and 6 to form stitches each containing I have shown for this purpose a latch needle 17 mounted so as to be free to reciprocate pins 20 projecting laterally from the upper portion of a lever 21 which is pivotally mounted upon the pin 12 and is acted upon by acam 22 on the shaft 14, a projection 23 on said lever 21 being maintained in contact ,with said cam 22 by means of a spring 24. The cams '13 and 22 are so timed that intermittent movements of partial rotation, in the direction of the arrow F ig. and to the extent of one tooth of the ratchet whe'el 7, will be imparted to the'disk 4 when the needle. 17 occupies the retracted position shown in Fig. 1, the disk 4 being at other times quiescent. I @Dependmg from the ring 3 is a bracket a pair of said pins; In the present instance 'in'a bearing 18 on the frame 1, the butt 19 of said needle being engaged-by a pair of 25' which extends beneath said ring and has 1 disposed in line with the axis thereof abearing 26 in WhiClLlS mounted so as to be free to rotate a tubular shaft 27 supported vertically in said bearing in any suitable Way, as for instance by means of, a collar 28 en the shaft restfing upon the topof said bearing, as'sho'wn in Fig. 1. The shaft 27 has at the'top an arm 29 with thread, guiding eye'30 and aid shaft 217 has, at its lower end, an arm 31 Whose outer end carries an anti-friction roller acted upon by aside-facing cam 32 on the shaft 14:, a spring 33 servingto connect a pin 34 on the arm 31 and a pin 35 on the frame 1, so as to maintain said roller, constantly in contact with the time of cam 32, as shown in Fig. 5. I

The parts are so timed that the movements of the disk 4 will take place between the reciprocations of the needle 17 and while the said needle is in the retracted position shown in Fig. 1, the movements of the needle taking place between the intermittent movements of the ring 4 so that said needle will be projected between the pairs'ofpins 5'and 6 in succession, the thread feeding arm 29 moving so as to lay its thread across. the

needle 17 when the latter is in the projected position. The result of this operation is" to form a succession of stitches each containing a pair ofpins 5- and 6, as shown in Fig. 4, and when the circle of stitches is completed the points of the transfer ring can be applied to the pins 5 and 6, as shown in Fig. 3,

each point 36 of the transfer ring occupying a. position between the pins of a pair, an the course of stitches can then be transferred "from the pins 5 and 6 to the points of the transfer ring by raising a stripper 37 which normally occupies a position at the bases of the pins, as shown in Figs. 1 and 3.

In a machine intended for the formation of a straight row of stitches a'straight' pincarrying bar will take the place of the ,disk

4 and said'bar will have intermittent longitudinal movements instead of intermittent movements of partial rotation. Tubes such for instance as shown in Fig. 6, may, 1f desired, replace the'pairs of pins but the use of the .latter is preferred.

'ing mechanismin the intervals between the operations of the latter, whereby stitches may 2. The combination, in a stitchchaining machine, of stitch forming mechanism, a

carrier having a plurality of stitch-receivbe formed around the stitch receivers 1n success1on.-

' inseas ere each consisting of a pair of projecting pins'separated from one another in the di re'ction of travel of the stitch forming needle, means for intermittently operating said stitch forming -mechanism, and means for changing the relation of the stitch receivers and stitchforming mechanism in the intervals between the operations of the latter- 3. The combination, in a stitch chaining 1 machine,fof a rotatable diskcarryinga plurality of stitch receivers each adapted for the reception of a point of a transfer device, stitch forming mechanism, means forintermittent-ly operating the latter, and means for imparting intermittent movements of partial rotation to the stitch receiver ring in the intervals between the operation of the stitchforming mechanism.

4.-The combination, a stitch chaining machine, of stitch forming mechanism, a rotatable carrier having'a circularly disposed series of'stitch receiverseach comprising a pair of projecting pins separatedfrom one another in the direction oftravel of the stitch forming needle, means for] intermittently operating said stitch forming mecha nism, and means for imparting intermittent movements of partial rotation to said stitch receiver ring in the intervals between the successive movements of the stitch forming mechanism.

5. In a; stitch chaining machine," the combinationof a reciprocating needle, and a vibrating yarn guide, with a carrier having a plurality of stitch. receivers each constructed for the reception of a point of a transfer device, means for reciprocating said needle and vibrating said yarn guide, and

vmeans for changing the relations of the stitch receivers and needle in the intervals between the reciprocations of the latter.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

LQUIS N. DJwILLrAMs- Witnesses; 4 Y

BEADLE, HAMrL'roN U. TURNER. 

